Lesson Example Discussion Quiz: Class Homework |
Quiz At Home |
Title: Find the roots of the quadratic equation |
Grade: 9-a Lesson: S1-L7 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts. |
Quiz: at Home
Problem Id | Question | Problem | Options |
---|---|---|---|
1 |
Find the roots of the quadratic equation |
\$ (4x)(x+1) = 9 \$ |
A) \$ (1+\sqrt5)/2,(1-\sqrt5)/2 \$ B) \$ (-1+\sqrt2)/2,(-1-\sqrt2)/2 \$ C) \$ 2,-1 \$ D) \$ (-1+\sqrt10)/2,(-1-\sqrt10)/2 \$ |
2 |
Find the roots of the quadratic equation |
\$ -3x(x-3) = -15 \$ |
A) \$ (3 + \sqrt (29))/2 , (3 - \sqrt (29))/2 \$ B) \$ (-3 + \sqrt (29))/2 , (3 - \sqrt (29))/2 \$ C) \$ (3 + \sqrt (29))/2 , (-3 - \sqrt (29))/2 \$ D) \$ (-3 + \sqrt (29))/2 , (-3 - \sqrt (29))/2 \$ |
3 |
Find the roots of the quadratic equation |
\$ 5x(-x + 1) = 2 \$ |
A) \$ (-5 + i\sqrt (15))/10 , (5 - i\sqrt (15))/10 \$ B) \$ (5 + i\sqrt (15))/10 , (5 - i\sqrt (15))/10 \$ C) \$ (5 + i\sqrt (15))/10 , (-5 - i\sqrt (15))/10 \$ D) \$ (-5 + i\sqrt (15))/10 , (-5 - i\sqrt (15))/10 \$ |
4 |
Find the roots of the quadratic equation |
\$ -4x(-2x-3) = - 7 \$ |
A) \$ (3 + i\sqrt (5))/4 , (-3 - i\sqrt (5))/4 \$ B) \$ (-3 + i\sqrt (5))/4 , (3 - i\sqrt (5))/4 \$ C) \$ (-3 + i\sqrt (5))/4 , (-3 - i\sqrt (5))/4 \$ D) \$ (3 + i\sqrt (5))/4 , (3 - i\sqrt (5))/4 \$ |
5 |
Find the roots of the quadratic equation |
\$ x(-2+x) = 1 \$ |
A) \$ 1 + \sqrt2 ,1 - \sqrt2 \$ B) \$ -1 + \sqrt2 ,1 - \sqrt2 \$ C) \$ 1 + \sqrt2 , -1 - \sqrt2 \$ D) \$ -1 + \sqrt2 ,-1 - \sqrt2 \$ |
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